ELECTRICAL SUPPLY

New Zealand Times, Volume L, Issue 11654, 19 October 1923, Page 7

ELECTRICAL SUPPLY

IMPRESSIONS OF ENGINEER DOMESTIC HEATING AND DEVELOPMENT ON INDUSTRY. REPORT TG'CITY" COUNCIL; " The outstanding feature of all the large genc-ial ing ,-tat ions- vLked- ia .GrE-at .Jiri* tain aad Amcricn was the‘capacity of the generators, units h'oUi steam and water driven with capacities un to .SO,(Wifi.p. having hear, -ecu in oncrathm, said Mr M. Cable, chief city elcctrieal engiucer. in his report, on electrh;ai- jsuppiy , to tlie Wellington City Council, At Niagara Falls I was privileged to :wo t lie foundations in c.our>e of construetion lor three 7t>.o’)o-h .p. units, the largest machine- yet built. There had been a marked advance, iu the >teani pressure carried in generating stations rccfqitlw constLucted'.' -The boil-. pis in a number of stations in Englaml Jukl been equipped with oil 'burners foruse in case coal supplies are held tip; du ■ to indu-t rial' 'trouble'. .On vovtsiting Uw» Brompton and Konsington.-Station,' London, he f‘i\jnd MiaU tbe boijers. hail been c-hangt'd over from coal burning feo # nii fuel. ' . TRANSMITTING' POWER.in scveial stntiims insi>ected id ''England and America, oil switches, installed fifteen or more years ago wore being replaced by units, of greater rupturing capacity to cope With the increased loads.

fn Great Bntaizi a number of umleitaUings are* nxW ‘transtidtt’ing xwwer by means of underground cables at a pros- 1 sure oi 33,000 volts. The use of overhead t rausiaission -was extending... There were now extensive reticulations in Wales. Lancashire. Yorkshire, Durham, Northumberland, -the “Clyde vaUdy;- •arid Ayrshire, The Kilmarnock. • eopurataon* was transmitting power at 330ry, IIdKKJv and 22,00(>- volt>i v -m-vlar- 'to the -ivractire followd in New ...Zealand.,. ,’Xjv America the pressuiTs were, far exceeded for overhead working. ahcU in California power Was now 'f falismifterT at 220.p00 ' volts. Although much of the overhead distribution wwlt -in -America.- -was - unsightly-* many of the supply authorities were endeavouring to improve the appearance of -their'linV work, 'and 'fu Torouto partricularl'.V' fine'wnrlc wgs'seen: ' -- ••••

“fn Great Britain 1 found the majorityof the eleetriwU'-iinderto-kuigti ..\ygre ..endeavouring 'to develop a/ domestfe loud by the installation of elerf-rjc. dookerx--The drop in the industffqT~load,' in most parts of tlie countTydurirtg file past lew years had apparenfely--dii;eote<l 'tlie atfeention of the"'supply, authorities. do the possibilities of developing the dornestfc -field In Londofi. tlie electiieal'dhpa-rt-ments of Hre-dioroughs of Maryk'bone».epd - Hneknev.- were carrying out. progressive programmes uv ; glieir - respect ire., .areas, .-anil 1 was shovCii .typical -cooker -installation.' in worker? hotAes.' mansions, qnd hospitals. The success with, winch ..the Marylebone boroug'hls efforts were roepting in whnt’m'nybe considered one of fhc strongholds of gas' Supply surprised lue. jln one of the attached.To the Mir'dlescx HosnitaL -which is within (he Maiylobone Rotough area.-l .saw- cnekors and other utensil* with a total capacity of 50 k.w/‘ assisting 'consumers. "' Jn oruer to assist consumers in the installation of- cooking equipment -■ prncricalky ail tho keariiii.j supply -authorities in ,Great RrfeLain. hud. • hirepurchase. syc..U‘m^,, wk.exeby. ..tfia .uost -of, the outfits were re-paid in monthly ip?t a i meats. Glasgow. Maryiebone and Hackney had eae on a dittereut makiy of errok?! 1 : r - -- Un a much greater scale *in America he. thund . that. Jhc supply, aixthoritjea were - pushing tho installation of all .classes of cooking appliances. In Toronto, fo-r instance,- JQ.fKIO ranges--were .ponueeted to the uopunission’s lines, .and thjs number va,s increased by.-over bQO. | monthly. To promote the'.safe'of the«e | rrnres or cookers tjie Toronto Electricitiy { C ommission qu'dted an inclusive price for lh<? rrutiit vomplettdy. installed, and a de--ferreit pa.ymc-’it plan was in force'to enable consumers tu purchase on easy terms. In Toronto it.yvas estimated that .every electric, jjfvnge,installed to presented an average saving of-two tons -of coal annually.

The,annual revenue - from residences in America eight years ago was stated to have been T 3 15s, compared uirli the prebent"‘d&y of- about' -Er' ''Tt'hkd antieipafpd :.that the present' campaign .will, raise. The hguVe to at'least - A Visitor from -tire Dominion; could not' lyur be impressed with the high standard x>f the street lighting, gnnernlly. adopted in American tov'ns;

• For tlie heating' of large volumes of Water for .or duringfoff jhoure of. «T «uppfy’ sv.steni obtaining current from a h.vTO-etec-tric source on a maximum demand rate, the use of afi elriitrie sfe'arn 'generator uxnild prove economical. STANDARD OF INSTALLATION. During' recent years’the standard of installation:'Work in America had b6eu greatly iniprbved . and lie was surprised to find tiuit the conduit adopted there with ; Kalf tho .Dominion standard voltngd was inifch heavier than that in use in thifc country. ‘AVherever I wont in America I was amazed at the rapid development of the electrical industry,” concluded Mr Cable. “Jil New. York I visited the Hell Gate Power Board of the United Elec'tfio Light qnd Power Co;; with a capacity <a over 150,000- k.w.* a. splendid example of a, inodei a- +de.am plant. - A lthough :it his* station Was. not completed uptll tlie end .o-f 3921, duplication was well in hand during iny visit- therelast; February. T’iro fiXeat. Queonstown Chip paw a Station, He- | longing-, io the ' Hydro-Elect ric Rower i.Coinmrssion, nf'‘ flntario, near Niagara ! »***. four units each of 55.0n0k.w. ' Thri of tlie load • has lieen tha 4 I although' the- first, unil was' 'not placed l.mto service- until about two rears ago | the. four sots arc now fully>loaded. This istation has br.co constructed for an ultimate capacity of fiOO.OOh k.w I /Hn ( discussing the • outlook- nvith*' Afr ■ general manager of the Toronto i rlydro-Dleetric Commission, ho ('xpressed , himself as follows ‘Lav w.,11 in ! vnnee . . Top. ve.ays. nv/x .we bad- -13,000 Ton/mmers. To-day the numhor is 125.-. . Dtiring 1 riiy travels; J ; a mass 'of tochtpcnl information, relating . , P^ ns; o. s of tfo.mwar opendibn ani] relict Hefty supply, which T proprvse r>lacnri at the drTosal of the officers of the different branch vs of our undert \\ horevor T wont jp Great . Britain amf Aitierica T wffs given every facility the efßceix'df the undertakings and works doxelijpniTt. nncl T'fim glad of this oppt.ri|jmt.y_of piiir*frig r>n' rerofd niv apprecinlloh of the uwfailiug' courtesv Extended ; tp me as the council*.; roprevcntjifivc.**